JP6499206B2 - パラメータ決定装置、方法、プログラム及び記録媒体 - Google Patents

パラメータ決定装置、方法、プログラム及び記録媒体 Download PDF

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JP6499206B2
JP6499206B2 JP2016572109A JP2016572109A JP6499206B2 JP 6499206 B2 JP6499206 B2 JP 6499206B2 JP 2016572109 A JP2016572109 A JP 2016572109A JP 2016572109 A JP2016572109 A JP 2016572109A JP 6499206 B2 JP6499206 B2 JP 6499206B2
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parameter
unit
sequence
parameter determination
linear prediction
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Japanese (ja)
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JPWO2016121824A1 (ja
Inventor
守谷　健弘
健弘 守谷
優 鎌本
優 鎌本
登 原田
登 原田
弘和 亀岡
弘和 亀岡
亮介 杉浦
亮介 杉浦
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Nippon Telegraph and Telephone Corp
University of Tokyo NUC
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Nippon Telegraph and Telephone Corp
University of Tokyo NUC
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/221—Cosine transform; DCT [discrete cosine transform], e.g. for use in lossy audio compression such as MP3
    • G10H2250/225—MDCT [Modified discrete cosine transform], i.e. based on a DCT of overlapping data
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • G10H2250/575—Adaptive MDCT-based compression, e.g. using a hybrid subband-MDCT, as in ATRAC
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2016572109A 2015-01-30 2016-01-27 パラメータ決定装置、方法、プログラム及び記録媒体 Active JP6499206B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015017690 2015-01-30
JP2015017690 2015-01-30
PCT/JP2016/052362 WO2016121824A1 (ja) 2015-01-30 2016-01-27 パラメータ決定装置、方法、プログラム及び記録媒体

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JPWO2016121824A1 JPWO2016121824A1 (ja) 2017-10-12
JP6499206B2 true JP6499206B2 (ja) 2019-04-10

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US (1) US10276186B2 (ko)
EP (2) EP3252768B1 (ko)
JP (1) JP6499206B2 (ko)
KR (1) KR102070145B1 (ko)
CN (1) CN107430869B (ko)
WO (1) WO2016121824A1 (ko)

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WO2016167215A1 (ja) * 2015-04-13 2016-10-20 日本電信電話株式会社 線形予測符号化装置、線形予測復号装置、これらの方法、プログラム及び記録媒体
US20230318622A1 (en) * 2017-06-22 2023-10-05 Nippon Telegraph And Telephone Corporation Encoder, decoder, encoding method, decoding method and program
CN115765898B (zh) * 2022-11-18 2024-04-12 中国舰船研究设计中心 一种基于最大值双边单调的频谱包络提取方法

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JP3299073B2 (ja) * 1995-04-11 2002-07-08 パイオニア株式会社 量子化装置及び量子化方法
US7778468B2 (en) * 2005-03-23 2010-08-17 Fuji Xerox Co., Ltd. Decoding apparatus, dequantizing method, and program thereof
JP4730144B2 (ja) * 2005-03-23 2011-07-20 富士ゼロックス株式会社 復号化装置、逆量子化方法及びこれらのプログラム
US7813563B2 (en) * 2005-12-09 2010-10-12 Florida State University Research Foundation Systems, methods, and computer program products for compression, digital watermarking, and other digital signal processing for audio and/or video applications
CN101529929B (zh) * 2006-09-05 2012-11-07 Gn瑞声达A/S 具有基于直方图的声环境分类的助听器
US8948428B2 (en) * 2006-09-05 2015-02-03 Gn Resound A/S Hearing aid with histogram based sound environment classification
WO2009118044A1 (en) * 2008-03-26 2009-10-01 Nokia Corporation An audio signal classifier
US9711158B2 (en) * 2011-01-25 2017-07-18 Nippon Telegraph And Telephone Corporation Encoding method, encoder, periodic feature amount determination method, periodic feature amount determination apparatus, program and recording medium
WO2012137617A1 (ja) * 2011-04-05 2012-10-11 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラム、記録媒体
CN104321814B (zh) * 2012-05-23 2018-10-09 日本电信电话株式会社 频域基音周期分析方法和频域基音周期分析装置
WO2013180164A1 (ja) 2012-05-30 2013-12-05 日本電信電話株式会社 符号化方法、符号化装置、プログラム、および記録媒体
MY168806A (en) * 2012-06-28 2018-12-04 Fraunhofer Ges Forschung Linear prediction based audio coding using improved probability distribution estimation
WO2014054556A1 (ja) 2012-10-01 2014-04-10 日本電信電話株式会社 符号化方法、符号化装置、プログラム、および記録媒体
AU2014204540B1 (en) * 2014-07-21 2015-08-20 Matthew Brown Audio Signal Processing Methods and Systems
US9838700B2 (en) 2014-11-27 2017-12-05 Nippon Telegraph And Telephone Corporation Encoding apparatus, decoding apparatus, and method and program for the same
KR101996307B1 (ko) 2015-01-30 2019-07-04 니폰 덴신 덴와 가부시끼가이샤 부호화 장치, 복호 장치, 이들의 방법, 프로그램 및 기록 매체
WO2016167215A1 (ja) * 2015-04-13 2016-10-20 日本電信電話株式会社 線形予測符号化装置、線形予測復号装置、これらの方法、プログラム及び記録媒体

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EP3751565A1 (en) 2020-12-16
KR102070145B1 (ko) 2020-01-28
JPWO2016121824A1 (ja) 2017-10-12
US20180268843A1 (en) 2018-09-20
EP3252768A1 (en) 2017-12-06
KR20170096136A (ko) 2017-08-23
WO2016121824A1 (ja) 2016-08-04
CN107430869B (zh) 2020-06-12
US10276186B2 (en) 2019-04-30
EP3252768B1 (en) 2020-08-19
CN107430869A (zh) 2017-12-01
EP3252768A4 (en) 2018-06-27
EP3751565B1 (en) 2021-09-08

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